Mercaptophenyl ketones as initiators for the photopolymerization of
ethylenically unsaturated compounds
    5.
    发明授权
    Mercaptophenyl ketones as initiators for the photopolymerization of ethylenically unsaturated compounds 失效
    巯基酮作为烯属不饱和化合物的光聚合引发剂

    公开(公告)号:US4279721A

    公开(公告)日:1981-07-21

    申请号:US39464

    申请日:1979-05-16

    摘要: Mixtures of (A) a mercaptophenyl ketone of the formula I ##STR1## in which n is 1 or 2, Ar is an unsubstituted or substituted aryl radical or a hetero-aromatic radical, R.sup.1 is hydrogen, alkyl or, if n is 1, also --SCH.sub.2 X and X, if n is 1, is one of the groups --CH(R.sup.2)--OH, --CH(R.sup.2)--O--CO--R.sup.5, --CH.sub.2 SH or --(CH.sub.2).sub.1-3 --NR.sup.3 R.sup.4, in which R.sup.2 is hydrogen, methyl, phenyl or one of the groups --CH.sub.2 OH, --CH.sub.2 --NR.sup.3 R.sup.4 or --CH.sub.2 --OR.sup.6, R.sup.3 and R.sup.4 independently of one another are hydrogen, alkyl or hydroxyalkyl, or R.sup.3 and R.sup.4 together are 1,4-butylene, 1,5-pentylene or 3-oxa-1,5-pentylene, and R.sup.5 and R.sup.6 are monovalent hydrocarbon radicals, and X, if n is 2, is alkylene, vinylene, phenylene or one of the divalent groups --CH.sub.2 S--SCH.sub.2 --, --CH(R.sup.2)--O--CO--O--CH(R.sup.2)--, --CH(R.sup.2)--O--CO--R.sup.7 --CO-- OCH(R.sup.2)--, --CO--O--R.sup.8 --O--CO--, --CH.sub.2 COO--R.sup.8 --OOCCH.sub.2 -- or --CH(OH)--CH.sub.2 --O--R.sup.8 --O--CH.sub.2 --CH(OH)--, in which R.sup.7 is a divalent hydrocarbon radical or --NH--R.sup.9 --NH--and R.sup.8 and R.sup.9 are divalent hydrocarbon radicals, and (B) an organic amine are effective initiators for the photopolymerization of ethylenically unsaturated compounds or for the photochemical crosslinking of polyolefins.

    摘要翻译: (A)式I的巯基苯基酮其中n为1或2的混合物,Ar为未取代或取代的芳基或杂芳基,R 1为氢,烷基或如果n为1 ,如果n为1,则-SCH2X和X为-CH(R2)-OH,-CH(R2)-O-CO-R5,-CH2SH或 - (CH2)1-3-NR3R4之一, 其中R2是氢,甲基,苯基或基团-CH2OH,-CH2-NR3R4或-CH2-OR6之一,R3和R4彼此独立地是氢,烷基或羟基烷基,或R3和R4一起是1,4 丁烯,1,5-亚戊基或3-氧杂-1,5-亚戊基,R5和R6是一价烃基,X如果n是2,则是亚烷基,亚乙烯基,亚苯基或二价基团之一-CH 2 S (R 2)-O-CO-O-CH(R 2) - , - CH(R 2)-O-CO-R 7 -COOR(R 2) - , - CO-O-R 8 -O -CO - , - CH 2 COO-R 8 -OOCCH 2 - 或-CH(OH)-CH 2 -O-R 8 -O-CH 2 -CH(OH) - ,其中R 7是二价烃基或-NH-R 9 -NH- 并且R 8和R 9是二价烃基,(B)有机胺是用于发光的有效引发剂 烯属不饱和化合物的聚合或聚烯烃的光化学交联。

    Process for the preparation of benzophenone thioethers
    8.
    发明授权
    Process for the preparation of benzophenone thioethers 失效
    制备二苯甲酮硫醚的方法

    公开(公告)号:US4297513A

    公开(公告)日:1981-10-27

    申请号:US153985

    申请日:1980-05-28

    IPC分类号: C07C148/00 C07C149/32

    CPC分类号: C07C323/00

    摘要: Benzophenone thioethers of the general formula I or Ia ##STR1## in which X is hydrogen, alkyl, alkoxy or --COO-alkyl and X.sub.1 is hydrogen, Cl, Br or --SR, R is an unbranched or branched alkyl radical having 1-20 C atoms, which is unsubstituted or substituted by --OH, --OR.sup.1, --O--C(O)--R.sup.2, --COOR.sup.3, --C(O)-phenyl. --CN, --SR.sup.1, --NH.sub.2, --NHR.sup.4, --NR.sup.4 R.sup.5 or phenyl, in which R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are monovalent hydrocarbon radicals, R.sub.a is an alkylene radical having 2-10 C atoms, which is unsubstituted or substituted by --OH. --OR.sup.1 or --O--C(O)--R.sup.2 and/or is interrupted by --O--, --NR.sup.4, --O--C(O)--R.sup.6 --C(O)--O--, --C(O)--O--R.sup.7 --O--C(O)-- or phenylene and R.sup.6 and R.sup.7 are divalent hydrocarbon radicals, can be prepared by reacting a mono- or di-halogenobenzophenone of the general formula II ##STR2## in which X.sub.2 is Cl or Br and X.sub.3 is H, Cl or Br, in a polar solvent with a mercapto compound of the formula RSH or R.sub.a (SH).sub.2 in the presence of a base in an amount equivalent to the amount of halogen to be reacted.

    摘要翻译: 其中X是氢,烷基,烷氧基或-COO-烷基,X 1是氢,Cl,Br或-SR的通式I或Ia的二苯甲酮硫醚,其中R是没有支链或支链的烷基, 1-20个C原子,未取代或被-OH,-OR1,-OC(O)-R2,-COOR3,-C(O) - 苯基取代。 -CN,-SR 1,-NH 2,-NHR 4,-NR 4 R 5或苯基,其中R 1,R 2,R 3,R 4和R 5是一价烃基,R a是具有2-10个C原子的亚烷基, 通过-OH。 -OR1或-OC(O)-R2和/或被-O-,-NR4,-OC(O)-R6-C(O)-O - , - C(O)-O-R7-OC (O) - 或亚苯基,R 6和R 7是二价烃基,可以通过使通式II的单 - 或二 - 卤代二苯甲酮(其中X 2是Cl或Br,X 3是H,Cl或 Br在具有式RSH或Ra(SH)2的巯基化合物的极性溶剂中,在碱的存在下的量相当于待反应的卤素的量。